Sierra 1500 4WD V8-4.8L VIN V (2004)
Steps 6 - 12
Scan Tool Does Not Power Up
SCAN TOOL DOES NOT POWER UP
CIRCUIT DESCRIPTION
The data link connector (DLC) is a standardized 16 cavity connector. Connector design and location is dictated by an industry wide standard, and is
required to provide the following:
-
Scan tool power battery positive voltage at terminal 16
-
Scan tool power ground at terminal 4
-
Common signal ground at terminal 5
